977022 has 40 divisors (see below), whose sum is σ = 2262216. Its totient is φ = 314928.

The previous prime is 977021. The next prime is 977023. The reversal of 977022 is 220779.

It is an interprime number because it is at equal distance from previous prime (977021) and next prime (977023).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5913 + ... + 6075.

2⁹⁷⁷⁰²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131108).

977022 is an abundant number, since it is smaller than the sum of its proper divisors (1285194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977022 is a wasteful number, since it uses less digits than its factorization.

977022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 977022 is about 988.4442321143. Note that the first 3 decimals coincide. The cubic root of 977022 is about 99.2281240714.

The spelling of 977022 in words is "nine hundred seventy-seven thousand, twenty-two".